At θ = 90°, the equation must evaluate to zero. The only one that does that is the 1st choice ...
r = 2 - 2sin(θ)
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Answer:
x= -11
Step-by-step explanation:
Answer:

Step-by-step explanation:

Hope this helps you.
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Answer:
The sum of the three angles of any triangle will always be 180 degrees because when all three angles are put together, they form a straight line.
Step-by-step explanation:
I did it on Edgenuity